1 ready-made pie crust
1 box chocolate instant pudding
1 pkg. Cool Whip
1 Hershey chocolate bar

Bake ready-made pie crust according to package instructions. Prepare instant chocolate pudding according to package instructions. Pour pudding into pie crust. Layer Cool Whip on top of pudding. Sprinkle grated chocolate bar on top of Cool Whip. Refrigerate until served.